12453 "Eyes Above" pre-req: 12412 "My Enemy's Friend"

12207 "Vordrassil's Fall" pre-req: 12413 "Attack on Silverbrook"
12213 "The Darkness Beneath" pre-req: 12413 "Attack on Silverbrook"

12229 "A Possible Link" pre-req: 12207 "Vordrassil's Fall" and 12213 "The Darkness Beneath"
12231 "The Bear God's Offspring" pre-req: 12207 "Vordrassil's Fall" and 12213 "The Darkness Beneath"

12241 "Destroy the Sapling" pre-req: 12229 "A Possible Link" and 12231 "The Bear God's Offspring"
12242 "Vordrassil's Seeds" pre-req: 12229 "A Possible Link" and 12231 "The Bear God's Offspring"

12236 "Ursoc, the Bear God" pre-req: 12241 "Destroy the Sapling" and 12242 "Vordrassil's Seeds"